Re: [PATCH v1 01/12] gna: add driver module

From: Maciej Kwapulinski
Date: Mon Mar 01 2021 - 05:24:50 EST



Andy Shevchenko <andy.shevchenko@xxxxxxxxx> writes:

> On Tue, Feb 16, 2021 at 6:11 PM Maciej Kwapulinski
> <maciej.kwapulinski@xxxxxxxxxxxxxxx> wrote:
>>
....
>> +static int __init gna_drv_init(void)
>> +{
>> + int ret;
>> +
>> + mutex_init(&gna_drv_priv.lock);
>> +
>> + gna_class = class_create(THIS_MODULE, "gna");
>> + if (IS_ERR(gna_class)) {
>> + pr_err("class device create failed\n");
>> + return PTR_ERR(gna_class);
>> + }
>> + gna_class->devnode = gna_devnode;
>> +
>> + ret = pci_register_driver(&gna_driver);
>
> Is it possible to decouple a PCI glue driver from the class as many
> other existing examples are doing?
>

I see many pci drivers (including staging) that do have it glued though.

Examples are:
1. "static int __init kp2000_pcie_init(void)" (commit on May 20 09:34:11
2019)
2. "static int __init hl_init(void)" (commit on Mon Feb 18 09:46:43 2019)

Please give me more details.